H3C Technologies H3C S12500-X Series Switches User Manual

Page 270

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[SwitchB] bgp 65009

[SwitchB-bgp] router-id 2.2.2.2

[SwitchB-bgp] peer 3.1.1.2 as-number 65008

[SwitchB-bgp] peer 3.3.3.3 as-number 65009

[SwitchB-bgp] peer 3.3.3.3 connect-interface loopback 0

[SwitchB-bgp] address-family ipv4 unicast

[SwitchB-bgp-ipv4] peer 3.1.1.2 enable

[SwitchB-bgp-ipv4] peer 3.3.3.3 enable

[SwitchB-bgp-ipv4] network 9.1.1.0 24

[SwitchB-bgp-ipv4] quit

[SwitchB-bgp] quit

[SwitchB] ip route-static 3.3.3.3 32 9.1.1.2

# Configure Switch C.

<SwitchC> system-view

[SwitchC] bgp 65009

[SwitchC-bgp] router-id 3.3.3.3

[SwitchC-bgp] peer 3.1.2.2 as-number 65008

[SwitchC-bgp] peer 2.2.2.2 as-number 65009

[SwitchC-bgp] peer 2.2.2.2 connect-interface loopback 0

[SwitchC-bgp] address-family ipv4 unicast

[SwitchC-bgp-ipv4] peer 3.1.2.2 enable

[SwitchC-bgp-ipv4] peer 2.2.2.2 enable

[SwitchC-bgp-ipv4] network 9.1.1.0 24

[SwitchC-bgp-ipv4] quit

[SwitchC-bgp] quit

[SwitchC] ip route-static 2.2.2.2 32 9.1.1.1

# Display the BGP routing table on Switch A.

[SwitchA] display bgp routing-table ipv4

Total number of routes: 3

BGP local router ID is 1.1.1.1

Status codes: * - valid, > - best, d - damped, h - history,

s - suppressed, S - Stale, i - internal, e - external

Origin: i - IGP, e - EGP, ? - incomplete

Network NextHop MED LocPrf PrefVal Path/Ogn

* > 8.1.1.0/24 8.1.1.1 0 0 i

* >e 9.1.1.0/24 3.1.1.1 0 0 65009i

* e 3.1.2.1 0 0 65009i

{

The output shows two valid routes to destination 9.1.1.0/24. The route with next hop 3.1.1.1 is
marked with a greater-than sign (>), indicating it is the best route (because the ID of Switch B is

smaller). The route with next hop 3.1.2.1 is marked with an asterisk (*), indicating it is a valid

route, but not the best.

{

By using the display ip routing-table command, you can find only one route to 9.1.1.0/24 with
next hop 3.1.1.1 and outbound interface VLAN-interface 200.

3.

Configure loading balancing:

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